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Discussion Starter · #1 ·
Hey guys, first post.
I'm having trouble with my vaccuum system I think. It seems that when my vaccuum lines are connected to my EGR valve, the car idles spiratically (revs up, then revs down as if timing was out). Although when i disconnect the vaccuum line to the EGR valve, the car runs beautifully, but it seems to be using more fuel. I've changed the EGR valve, replaced the vaccuum lines, replaced the EGR control solenoid, and I'm completely stumped. Does anyone know what this problem might be caused by?
 
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